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    • Trail ultra marathons in Japan

    Trail
    Japan

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    28 races

    Okushinano 100 Trail Running Race

    Okushinano 100 Trail Running Race

    Jun 7, 2025 (Sat)

    Okushinano mountain cottage, Nagano, Japan

    50K
    100K
    Nagi Peaks Tough Trail Challenge

    Nagi Peaks Tough Trail Challenge

    Jun 8, 2025 (Sun)

    Tsuyama, Okayama, Japan

    66K
    Aizu Bandai Mountain Ultra Marathon

    Aizu Bandai Mountain Ultra Marathon

    Jun 8, 2025 (Sun)

    Minami-sanriku Town General Gymnasium Bayside Arena, Miyagi, Japan

    65K
    100K
    Oku-Musashi Long Trail Race 105K & 35K

    Oku-Musashi Long Trail Race 105K & 35K

    Jun 14-15, 2025 (Sat-Sun)

    Hanno, Saitama, Japan

    105K
    Echigo Country Trail

    Echigo Country Trail

    Jun 15, 2025 (Sun)

    Nagaoka, Niigata, Japan

    63K
    Kaga Spa Trail Endurance 100 by UTMB

    Kaga Spa Trail Endurance 100 by UTMB

    Jun 21, 2025 (Sat)

    Yamanaka Onsen, Ishikawa, Japan

    1.6 - 2.4

    58K
    105K
    Deep Japan Ultra 100

    Deep Japan Ultra 100

    Jun 27, 2025 (Fri)

    Niigata, Niigata, Japan

    80K
    160K
    Shiga Kogen 100

    Shiga Kogen 100

    Jul 4, 2025 (Fri)

    Yamanochi, Nagano, Japan

    100K
    Central Alps Skyline Japan

    Central Alps Skyline Japan

    Jul 5-6, 2025 (Sat-Sun)

    Nagano, Nagano, Japan

    90K
    Minamiaso Caldera Trail

    Minamiaso Caldera Trail

    Jul 5, 2025 (Sat)

    Minamiaso, Kumamoto, Japan

    50K
    Tsurugi Mountain Foothills Trail du Kamiichi

    Tsurugi Mountain Foothills Trail du Kamiichi

    Jul 6, 2025 (Sun)

    Kamiichi, Toyama, Japan

    55K
    Boso Peninsula 300K Tour

    Boso Peninsula 300K Tour

    Jul 19, 2025 (Sat)

    Chiba, Chiba, Japan

    210K
    300K
    Mt. Daisetsu Trail Journey

    Mt. Daisetsu Trail Journey

    Jul 20, 2025 (Sun)

    Asahikawa, Hokkaido, Japan

    1.6

    60K
    The 4100D Mountain Trail in NOZAWA-ONSEN

    The 4100D Mountain Trail in NOZAWA-ONSEN

    Jul 20, 2025 (Sun)

    Nozawaonsen, Nagano, Japan

    65K
    Chiba Ultra Marathon

    Chiba Ultra Marathon

    Aug 2, 2025 (Sat)

    Mihama Ward, Chiba, Japan

    50K
    100K
    Global Geopark Trail Run

    Global Geopark Trail Run

    Aug 17, 2025 (Sun)

    Toyooka, Hyogo, Japan

    1.6

    60K
    Hakuba International Classic

    Hakuba International Classic

    Sep 7, 2025 (Sun)

    Hakuba, Nagano, Japan

    50K
    Shinetsu Five Mountains Trail

    Shinetsu Five Mountains Trail

    Sep 13-14, 2025 (Sat-Sun)

    Myoko, Niigata, Japan

    110K
    100mi
    San'in Kaigan UNESCO Global Geopark Tango 100K UltraMarathon

    San'in Kaigan UNESCO Global Geopark Tango 100K UltraMarathon

    Sep 14, 2025 (Sun)

    Kyotango, Kyoto, Japan

    60K
    100K
    Joshu Hotaka Mountain Sky View Trail

    Joshu Hotaka Mountain Sky View Trail

    Sep 20, 2025 (Sat)

    Kawaba, Gunma, Japan

    80K
    138K
    Manno Mountain Madness

    Manno Mountain Madness

    Nov 1, 2025 (Sat)

    Manno, Kagawa, Japan

    80K
    FunTrails Round Chichibu & Oku-Musashi 100 mile/100K/50K

    FunTrails Round Chichibu & Oku-Musashi 100 mile/100K/50K

    Nov 15, 2025 (Sat)

    Chichibu, Saitama, Japan

    1.5 - 2.8

    54K
    105K
    160K
    Ultra Trail Mt Fuji 100

    Ultra Trail Mt Fuji 100

    Apr 24-25, 2026 (Fri-Sat)

    Mt Fuji - Ohike Kouen, Shizuoka, Japan

    1.8 - 2.8

    70K
    168K
    FunTrails Round Minano 50K/30K

    FunTrails Round Minano 50K/30K

    May 10, 2026 (Sun)

    Minami Ward, Kyoto, Japan

    51K
    Skyline Trail Sugadaira

    Skyline Trail Sugadaira

    May 10, 2026 (Sun)

    Sugadairakogen, Nagano, Japan

    52K

    Showing 1 - 25 of 28 events